Line voltage monitoring device



FIG. 1 is a perspective view of the line voltage monitoring device of the present invention.

FIG. 2 is a front elevational view of the line voltage monitoring device.

FIG. 3 is a back elevational view of the line voltage monitoring device.

FIG. 4 is a right side elevational view of the line voltage monitoring device.

FIG. 5 is a top elevational view of the line voltage monitoring device; and,

FIG. 6 is a bottom elevational view of the line voltage monitoring device. 

We claim the ornamental design for a line voltage monitoring device, substantially as shown. 